﻿/**********************************************************************
 * Copyright (c) 2008, j. montgomery                                  *
 * All rights reserved.                                               *
 *                                                                    *
 * Redistribution and use in source and binary forms, with or without *
 * modification, are permitted provided that the following conditions *
 * are met:                                                           *
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 * + Redistributions of source code must retain the above copyright   *
 *   notice, this list of conditions and the following disclaimer.    *
 *                                                                    *
 * + Redistributions in binary form must reproduce the above copyright*
 *   notice, this list of conditions and the following disclaimer     *
 *   in the documentation and/or other materials provided with the    *
 *   distribution.                                                    *
 *                                                                    *
 * + Neither the name of j. montgomery's employer nor the names of    *
 *   its contributors may be used to endorse or promote products      *
 *   derived from this software without specific prior written        *
 *   permission.                                                      *
 *                                                                    *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS*
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT  *
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS  *
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 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,*
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,*
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)      *
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED*
 * OF THE POSSIBILITY OF SUCH DAMAGE.                                 *
 **********************************************************************/
using System;
using System.Runtime.InteropServices;
using System.Security.AccessControl;
using System.ServiceProcess;

namespace UpdateDnsOMatic.Utility
{
    // Reference : pinvoke.net
    public class AdvApi32
    {
        [DllImport("advapi32.dll", SetLastError = true)]
        public static extern bool QueryServiceObjectSecurity(
            IntPtr serviceHandle,
            SecurityInfos secInfo,
            ref SECURITY_DESCRIPTOR lpSecDesrBuf,
            uint bufSize,
            out uint bufSizeNeeded);

        [DllImport("advapi32.dll", SetLastError = true)]
        public static extern bool QueryServiceObjectSecurity(
            SafeHandle serviceHandle,
            SecurityInfos secInfo,
            byte[] lpSecDesrBuf,
            uint bufSize,
            out uint bufSizeNeeded);

        [DllImport("advapi32.dll", SetLastError = true)]
        public static extern bool SetServiceObjectSecurity(
            SafeHandle serviceHandle,
            SecurityInfos secInfos,
            byte[] lpSecDesrBuf);

        [StructLayoutAttribute(LayoutKind.Sequential)]
        public struct SECURITY_DESCRIPTOR
        {
            public byte revision;
            public byte size;
            public short control;
            public IntPtr owner;
            public IntPtr group;
            public IntPtr sacl;
            public IntPtr dacl;
        }
    }
}